Rounding out the first team are Houston's Luis Scola, Clippers forward Al Thornton and Seattle's Jeff Green.
Horford ranked first among rookies with 25 double-doubles and 9.7 rebounds, helping the Hawks end the league's longest postseason drought with their first playoff berth since 1999.
The 6-foot-9 Durant led the SuperSonics with over 20 points per game, about 7 and a-half points more than any other rookie.
The All-Rookie second team was Toronto's Jamario Moon, Memphis' Juan Carlos Navarro, Philadelphia's Thaddeus Young, Detroit's Rodney Stuckey and Houston's Carl Landry.
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